Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1988-11-22
1989-11-28
Simmons, David
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156250, B65H 8100
Patent
active
048835536
ABSTRACT:
A method for forming pads of pressure sensitive adhesive coated sheets with similar discontinuities (e.g., printed indicia or openings) on the sheets substantially aligned. A strip of pressure sensitive adhesive coated material is helically wound around the periphery of a roller to form a roll comprising a multiplicity of overlying layers of the strip by rotating the roller about its axis to pull the strip along a predetermined path onto the roller. Discontinuities are formed on the strip along the predetermined path at locations that are progressively increasingly spaced apart to compensate for the increasing circumference of the roll and which result in at least one set of discontinuities being located along the periphery of the roller in substantial alignment radially outwardly of the roller; and pads containing such aligned discontinuities are then cut from the roll.
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David John R.
Pohl Daniel P.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Schultz Leland D.
Sell Donald M.
Simmons David
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